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Advanced Date Time Calculator 10.0 Giveaway

Giveaway of the day — Advanced Date Time Calculator 10.0

A full-featured date time calculator!
$19.99 EXPIRED
User rating: 29 (83%) 6 (17%) 14 comments

Advanced Date Time Calculator 10.0 was available as a giveaway on July 8, 2020!

Today Giveaway of the Day
free today
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A full-featured date time calculator!

  • Get Result Time by Adding/Subtracting;
  • Get Differences between Two Times;
  • Count Days of Week, Weekdays and Weekends;
  • Do Converting between Various Time Elements;
  • See Times for All Time Zones in the World;
  • Unix/Linux Date Calculator;
  • See Results Instantly.

Please note: 1 Year Single License (1 PC) with 1 Year Upgrades is included in this version. Click here to get a VERY BIG discount for other Lifetime licenses with Lifetime Upgrades on the promotion day!

System Requirements:

Windows XP/ 2003/ Vista/ 7/ 8/ 8.1/ 10 (x32/x64)


TriSun Software Limited



File Size:

6.14 MB

Licence details:

1 year license with free updates



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Developed by Microsoft
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Comments on Advanced Date Time Calculator 10.0

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I was going to try out this more modern version of this product to see if the devloper has fixed the bugs like calling 1 year 365.3 days. i.e. it is the wrong duration for calender years and the wrong duration for solar years and wrong for lunar years too. So basically it is just plain wrong to round days to a single decimal place if one is doing these types of calculations and conversions.
But then I noticed it's an expiring 1 year license when previously they offered non-expiring licenses AND the only sell non-expiring licenses. I wonder is their 1 year license calender year or a rounded up to one decimal place solar year? Can you convert the expiring license to a galactic year please? I'd be more inclined to see if you have learned from your mistakes then ;-)

Reply   |   Comment by TK  –  Last year  –  Did you find this comment useful? yes | no (+1)

TK, extracted the installer and manually installed it out of the way and it has exactly the same bugs as the previous versions... internally ALWAYS using 365.25 days for a year and only displaying a single decimal place no option to switch to calender based calculations when using dates so it always produces practically unusable results when asking it to show how many years between same dates a year or two years or three years apart or calculating this time and date in 1 year in the future. If the devloper want's to be accurate they should no limit the decimal places and include the fractional offset that is compensated by leap seconds too! OR just use calender years like everyone expects a data and time calculator to use!

Reply   |   Comment by TK  –  Last year  –  Did you find this comment useful? yes | no (0)

previous times this has been offered it exhibited an unexpected method of calculation of the years duration. Ratther than using the speciifed calender years in the calculation it used the solar year duration so did not consider leap and non-leap years but used the basic 365.25 days in a year which obviously produces really unexpected results since most people are wanting their calculations done based on the calenders we use and not a fictional solar calender. Anyone know if this still exhibits this same unhelpful default method of calculating 1 year from now... where it does not keep the same time on the calculated year from now because it adds a quarter of a day to the calculation or loses three quarters if a leap years 29th of Feb should be added...

I guess if it's still using the same solar year method most people will find a not-advanced date time calculator far more usable and useful in every day date and time calculations. On a side not shouldn't Date calculations always be Calender year based since that is what dates are... no dates are used in any real world application that are solar year based.

Reply   |   Comment by TK  –  Last year  –  Did you find this comment useful? yes | no (+1)

You can easily do this with "Hey Google," or "Alexa" without having to open an app to determine a future or past date.

Reply   |   Comment by Starchild  –  Last year  –  Did you find this comment useful? yes | no (+6)

DateCalc a portable and FREE software by Paul Heinrich


Date Calculator a portable and FREE software by SJW Computer Resources


Have fun. No need to worry about 1 year license.
Do not even need to install.

Reply   |   Comment by ricohflex  –  Last year  –  Did you find this comment useful? yes | no (+29)

Calculator without d-base to store the expected future event and to remind us every few day about the event we are waiting for, it is just that, amusement with numbers. If we have to punch the same numbers every day to see the results, it is useless software. How about storing the previous requests and auto remind us of the remaining days we are expecting to come.

Reply   |   Comment by Mike  –  Last year  –  Did you find this comment useful? yes | no (+19)

Having downloaded this software on a previous offering. I agree that it is far far superior to the free programs offered in Microsoft store.
My reservation about today's offer is the 1 year licence. I tend not to take software that has such a short restriction and so I will not be taking up this offer today.

Reply   |   Comment by Marshland  –  Last year  –  Did you find this comment useful? yes | no (+16)

This utility is vastly more capable than the free Win 10 one. It's a true apples to pears comparison.

Reply   |   Comment by paul  –  Last year  –  Did you find this comment useful? yes | no (+1)

paul, it also gets the maths wrong too since its year is not based on the calender year but an aproximated solar year.

Reply   |   Comment by TK  –  Last year  –  Did you find this comment useful? yes | no (0)

Just enter in Google (examples):

number of minutes from 08.12 to 19.09
Answer: 657 minutes

days from 3 June 2013 to 15 October 2020
Answer: 2,691 days

09.45 in Chicago to Cairo
Answer: 4:45 pm

Online Time Zone Converter – Time Difference Calculator

Reply   |   Comment by tomcat  –  Last year  –  Did you find this comment useful? yes | no (+18)

Date calculation can now be used with Windows 10's default calculator app. Just go to navigation tab and select Date Calculation. You're welcome.

Reply   |   Comment by Angus Stradamus  –  Last year  –  Did you find this comment useful? yes | no (+5)

I Downloaded The Zip File With The Executable File For Program Installation, From The Link Below, Along With The Zip File From This Site As Well... The Key Code Is Included In The readme.txt File From This Site. Then Simply Installed The Program .

33 Files
24 Registry Entries
Total Size: 3.0 MB

Installed Within 5 Minutes On A Windows 10 Pro Tower. No Hitches At All
Note: There Is A Free Support Chat Site Available As Well As Tutorials There.

I Will Be Using This Valuable Program To Calculate As To How Long My Giveaways Last!
P.S. I Always Create A Folder In My Documents For These Zip Files With The Date Included, In The Folders Name.

Reply   |   Comment by David Wellman  –  Last year  –  Did you find this comment useful? yes | no (-15)

Windows 10 has a Date calculator that you can download for FREE and use forever.


Have fun.

Reply   |   Comment by ricohflex  –  Last year  –  Did you find this comment useful? yes | no (+33)

ricohflex, just open your calculator app, and change the function to date calculation. there is no need to download anything.

Reply   |   Comment by walt  –  Last year  –  Did you find this comment useful? yes | no (+25)
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